Results Liars showed a 22–26% increase in prefrontal white
matter and a 36–42% reduction in prefrontal grey/white ratios compared
with both antisocial controls and normal controls.

Conclusions These findings provide the first evidence of a
structural brain deficitinliars, they implicate the prefrontal cortex as an
important (but not sole) component in the neural circuitry underlying lying
and provide an initial neurobiological correlate of a deceitful
personality.